Pith Number

pith:COOMQEMO

pith:2011:COOMQEMO4GZMBBGULPEO5N6XJB

not attested not anchored not stored refs pending

Hierarchy of protein loop-lock structures: a new server for the decomposition of a protein structure into a set of closed loops

Oleg Kupervasser, Simon Kogan, Zakharia Frenkel, Zeev Volkovich

arxiv:1106.1356 v2 · 2011-06-05 · physics.chem-ph · cs.CE · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COOMQEMO4GZMBBGULPEO5N6XJB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:29:40.920155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

139cc8118ee1b2c084d45bc8eeb7d74856f14b605c301805fb9ce556be44866f

Aliases

arxiv: 1106.1356 · arxiv_version: 1106.1356v2 · doi: 10.48550/arxiv.1106.1356 · pith_short_12: COOMQEMO4GZM · pith_short_16: COOMQEMO4GZMBBGU · pith_short_8: COOMQEMO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/COOMQEMO4GZMBBGULPEO5N6XJB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 139cc8118ee1b2c084d45bc8eeb7d74856f14b605c301805fb9ce556be44866f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6416cb067402e05c922612086499e4088e3cc10328a1cb24857ed1ba62e61f80",
    "cross_cats_sorted": [
      "cs.CE",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2011-06-05T00:36:54Z",
    "title_canon_sha256": "63e1aa4fd2caa7299a4ee601de0dd96076bbf17d7629e515f4cd21cd6a01e973"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1356",
    "kind": "arxiv",
    "version": 2
  }
}